MCP Reference Servers
About This Server
The official collection of Model Context Protocol reference servers, maintained by Anthropic and the community. Includes Filesystem, Git, Memory, Fetch and more — the canonical starting point for learning and building MCP servers.
Installation
npx -y @modelcontextprotocol/server-filesystem <dir>Frequently Asked Questions
What do the official MCP reference servers include?
It is the official collection maintained by Anthropic and the MCP community. One repository bundles ready-to-use servers for filesystem, Git, memory, time, fetch and more, making it the best starting point for learning MCP.
How do I add a reference server to Claude Code or Cursor?
Each server ships as its own npm package and starts with one npx line, e.g. npx -y @modelcontextprotocol/server-filesystem <dir>. Register it with claude mcp add in Claude Code, or paste it into the MCP settings in Cursor.
Are the reference servers free? Do they need an API key?
Completely free and open source under the MIT license. Core servers like filesystem, Git and memory run locally, need no API key, and send no data to third parties.